InduSoft Web Studio NTWebServer Directory Traversal Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-04-15
• EPSS: 75% chance of exploitation in the next 30 days (higher than 100% of CVEs)
• Critical severity: CVSS 9.8

[ Description ]Official description

Directory traversal vulnerability in NTWebServer in InduSoft Web Studio 7.1 before SP2 Patch 4 allows remote attackers to read administrative passwords in APP files, and consequently execute arbitrary code, via unspecified web requests.

CISA: InduSoft Web Studio NTWebServer contains a directory traversal vulnerability that allows remote attackers to read administrative passwords in APP files, allowing for remote code execution.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 6 May 2022): Apply updates per vendor instructions.

• Patch on ics-cert.us-cert.govVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD

[ References ]References

• download.indusoft.com/71.2.4/IWS71.2.4.zipBroken Link
• www.securityfocus.com/bid/67056Broken LinkThird Party AdvisoryVDB Entry
• www.cisa.gov/news-events/ics-advisories/icsa-14-107-02US Government Resource
• www.exploit-db.com/exploits/42699ExploitThird Party AdvisoryVDB Entry
• ics-cert.us-cert.gov/advisories/ICSA-14-107-02PatchThird Party AdvisoryUS Government Resource
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource